STM8T143 STMicroelectronics, STM8T143 Datasheet - Page 59

• Manufacturer Part Number: STM8T143
• Description: Single-channel capacitive sensor for touch and proximity detection
• Manufacturer: STMicroelectronics

STM8T143
Table 31.
31-Aug-2011
15-Nov-2011
Date
Document revision history (continued)
Revision
cont’d
2
3
Table 17: General capacitive sensing
f
added min and max values for t
parameter; added footnotes
Table 18: Internal CS
Table 19: Implemented EPCC values
capacitance bit 6 values.
Table 22: EMS
level/class for V
Table 23: EMI
Table 24: ESD absolute maximum
and unit.
Table 25: Electrical
Table 27: UFDFPN8-lead ultra thin fine pitch dual flat - package
mechanical
Updated programming service option list.
Added SO8 package and updated all information relating to this
package throughout document.
Figure 3: UFDFPN8
Table 2: STM8T143 pin
Figure 5: STM8T143 measuring
“Device”.
Section 4.4: Electrode parasitic capacitance compensation
removed text concerning EPCC harware and fixed compensation
capacitance.
Section 5: STM8T143
bullet point to “signal and reference calibration”.
Section 5.1: Automatic electrode tuning
improve technical clarity and readability, values replaced; updated
and improved appearance of
(AET).
Section 5.2: Signal calculation and reference
bullet points regarding AET; small text changes.
Section 5.3: Detection and release
corrections and clarifications; updated title, improved appearance,
and removed ‘t
threshold (not
Section 5.4: Dynamic calibration
corrections; updated titles and content of
operation
improved appearance of all figures in this section.
Section 5.5.2: ECS
and removed note 2 underneath it.
Section 5.5.3: Reference freeze and reference freeze
moved section to current location; updated title and improved
appearance of
reference freeze
TRANSFER
Doc ID 18315 Rev 3
and
, response time, and device startup time parameters;
data: added footnote
data: added values for RC
detailed).
Figure 10: DYCAL operation with water
DYCAL
Figure 14: Unwanted detection managed by the
data: removed V
EFTB
timeout.
sensitivities: added class value.
halt: updated appearance of
’ from
pinout: updated pins 1 and 8.
parameter.
value: added ICS bit values.
processing: updated title; updated second
descriptions: updated layout and content.
Figure 8: Signal reference and detection
1.
Figure 7: Automatic electrode tuning
Changes
and 5.; updated footnote
SAMPLING
FESD
circuitry: changed “STM8T143” to
(DYCAL): small text changes and
2.
ratings: updated class, max value
thresholds: small text changes,
parameter and added
characteristics: updated
(pF): added EPCC6 and
(AET): text updated to
OSC
,and AET target value
Figure 9: DYCAL general
= 1 MHz.
calibration: removed
Figure 13: ECS halt
Revision history
timeout:
residue;
4.
(EPCC):
59/62